Pronunciation: (sôr'tē), [key]
—n., v., -tied, -tie•ing.
1. a rapid movement of troops from a besieged place to attack the besiegers.
2. a body of troops involved in such a movement.
3. the flying of an airplane on a combat mission.
to go on a sortie; sally forth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.